چکیده:
Paint manufacturing wastes are mostly hazardous and toxic. The cost of proper treatment and safe
disposal of these wastes is high. Implementing waste minimization management system reduces both waste generation and resource consumption. Furthermore it can result in environmental preservation and operational cost saving. The purpose of this study was evaluation of the effectivness of waste minimization performance in the paint formulating industries. So we determined the amount of waste generation, raw materials usage, water and energy consumption in a paint manufacturing plant called”Rang Afarin” in Tehran, Iran. There were three major sources of waste in this factory: solid wastes, wastewater, and air pollutants. We focused on wastewater because according to our researches we found that the main waste in this plant is wastewater and we can reduce about 20% of generated wastewater at the plant. Also, results showed that by implementing waste reduction program, the amount of raw materials, energy, and water usage can reduce respectively down to 0.114%, 22%, 9.8%. The whole of these waste reduction equal to 87288$ saving in production costs annually. Waste minimization plays key role to achievement sustainable development and economic profits in industries
خلاصه ماشینی:
"So we determined the amount of waste generation, raw materials usage, water and energy consumption in a paint manufacturing plant called"Rang Afarin" in Tehran, Iran.
Also, results showed that by implementing waste reduction program, the amount of raw materials, energy, and water usage can reduce respectively down to 0.
Received:30 June2015 Accepted :28 Aug 2015 Published :30 Nov 2015 Keywords: Paint industry; Energy and water consumption; Raw materials saving; Waste minimization Introduction Waste minimization is an aspect of pollution prevention.
At the domestic area we estimated the volume of water used to daily shower for people who worked at production area (because of the contact with pigments and powder rawmaterials) and water consumption for sanitary and kitchen purposes of all domestic and industrial workers as well as water use for irrigation of plants and lawn of the plant.
The other waste stream we focused on was composed of paint spills mixed with solvent residue plus floor washing waters which contained low concentration of pigments.
Results The results of measuring the quantity of raw materials usage, product produced, and raw materials waste in seven different batches in seven days have been shown at table 1.
The other wastewater composed of floor washing and inadvertently paint spills with cleaning solvents which generated at the production area was determined 6.
5 m 3 /day and we can reduce it down to 3 m 3 /day Spent cleaning solvent is a hazardous waste commonly generated by the paint manufacturing industry."